Toothbrush



FIG. 1 is an isometric view of my design for a toothbrush;

FIG. 2 is a left side elevation view of the toothbrush shown in FIG. 1;

FIG. 3 is a right side elevation view of the toothbrush shown in FIG. 1;

FIG. 4 is a rear elevation view of the toothbrush shown in FIG. 1;

FIG. 5 is a front elevation view of the toothbrush shown in FIG. 1;

FIG. 6 is a top plan view of the toothbrush shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the toothbrush shown in FIG. 1.

The ornamental design for a toothbrush, as shown and described. 